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(Unicode C) Hash the Contents of a String (SHA256 and other hash algorithms)Demonstrates how to hash the contents of a string using SHA256, SHA384, SHA512, MD2, MD5, HAVAL, RIPEMD, etc.
#include <C_CkCrypt2W.h> #include <C_CkByteData.h> #include <C_CkStringBuilderW.h> void ChilkatSample(void) { HCkCrypt2W crypt; HCkByteData hashBytes; HCkStringBuilderW sb; // This example requires the Chilkat Crypt API to have been previously unlocked. // See Unlock Chilkat Crypt for sample code. crypt = CkCrypt2W_Create(); // Choose the hash algorithm. // Can be "sha1", "sha256", "sha384", "sha512", "md2", "md5", "haval", "ripemd128", "ripemd160","ripemd256", or "ripemd320". CkCrypt2W_putHashAlgorithm(crypt,L"sha256"); // The byte representation of the string matters when hashing. // Tell Chilkat that we want to use the utf-8 byte representation. CkCrypt2W_putCharset(crypt,L"utf-8"); hashBytes = CkByteData_Create(); success = CkCrypt2W_HashString(crypt,L"They who can give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.",hashBytes); // Let's examine the hash as a hex string. sb = CkStringBuilderW_Create(); CkStringBuilderW_AppendEncoded(sb,hashBytes,L"hex"); wprintf(L"SHA256 hash = %s\n",CkStringBuilderW_getAsString(sb)); CkCrypt2W_Dispose(crypt); CkByteData_Dispose(hashBytes); CkStringBuilderW_Dispose(sb); } |
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